Definition of metenteron
1 : the alimentary canal modified in any manner from the primitive archenteron
2 : one of the radial digestive chambers of an anthozoan — compare mesenteron
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of metenteron
New Latin, from meta- + enteron
Seen and Heard
What made you want to look up metenteron? Please tell us where you read or heard it (including the quote, if possible).